CN107764836B - Automatic quality detector for plastic ampoule in row - Google Patents
Automatic quality detector for plastic ampoule in row Download PDFInfo
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- CN107764836B CN107764836B CN201711170578.1A CN201711170578A CN107764836B CN 107764836 B CN107764836 B CN 107764836B CN 201711170578 A CN201711170578 A CN 201711170578A CN 107764836 B CN107764836 B CN 107764836B
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- 239000003708 ampul Substances 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 125
- 210000003813 thumb Anatomy 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 239000002699 waste material Substances 0.000 claims abstract description 27
- 230000000007 visual effect Effects 0.000 claims abstract description 19
- 230000007306 turnover Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 13
- 239000003814 drug Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 210000003128 head Anatomy 0.000 description 4
- 238000011194 good manufacturing practice Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 229940012356 eye drops Drugs 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/9018—Dirt detection in containers
- G01N21/9027—Dirt detection in containers in containers after filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
- B07C5/3408—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level for bottles, jars or other glassware
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/186—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/187—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for flexible or elastic containers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/9018—Dirt detection in containers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/9081—Inspection especially designed for plastic containers, e.g. preforms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N2021/8924—Dents; Relief flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N2021/8925—Inclusions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an automatic quality detector for a row of plastic ampoule, which comprises a detection large disc, a bottle feeding thumb wheel and a bottle discharging thumb wheel at the side edge of the detection large disc; the edges of the bottle feeding shifting wheel and the bottle discharging shifting wheel are provided with shifting grooves; the bottle feeding shifting wheel and the bottle discharging shifting wheel are connected with the material passing conveying belt; the output end of the bottle discharging thumb wheel is connected with a waste conveying belt; a waste rejecting mechanism is arranged between the material passing conveyor belt and the waste conveying belt; the edge of the detection large disc is provided with a grip; the handle is provided with a turnover mechanism and a rotation mechanism; a visual detection station and a leakage detection station are arranged around the detection large disc; the visual detection station comprises a light source and a camera which are oppositely arranged at two sides of the gripper; the leak detection station comprises positive and negative electrodes; a separation mechanism is arranged at the input end of the bottle feeding thumb wheel on the material passing conveyor belt. The device can realize the omnibearing rapid detection of appearance quality, loading quantity, foreign matters and leakage of the plastic ampoule in the row, and has the advantages of high detection speed, high precision and stable and reliable operation.
Description
Technical Field
The invention relates to the technical field of detection of plastic ampoule, in particular to an automatic quality detector for a row of plastic ampoule.
Background
With the development of plastic ampoule blowing and filling integrated machines (BFS for short), the use of the plastic ampoule in the row is more and more extensive, and the plastic ampoule has a trend of gradually replacing the glass ampoule; at present, no equipment is used for detecting the appearance and the loading quantity of the row plastic ampoules, and the detection can be ensured only by means of BFS self technology; BFS is filled by a time-pressure method, although the accuracy of the method is very high, in practice, a phenomenon of large difference of the filling amount still occurs, and particularly when a filling needle is blocked, the filling needle fills all the medicine bottles in the whole batch of products, so that great waste is caused. Therefore, a real-time online detection method is necessary to detect the filling quantity, and when a large deviation occurs in the filling quantity, an alarm can be given in time to detect the filling, so that the loss is reduced, and the quality of the medicine is improved. Meanwhile, GMP (good manufacturing practice) requires that the amount of medicines such as injections must be detected; therefore, in order to reduce waste and improve medicine quality, whether the medicine loading is qualified or not must be detected online in real time.
Appearance quality such as appearance deformation, burrs and the like of the plastic ampoules arranged in parallel cannot influence the quality of medicines, but can influence experience and brands; for eye drops, burrs may damage the eyes of a patient during use.
The filling of the tandem plastic ampoules is generally a sterile product, 100% detection of the tightness of the sterile medicine is required in the GMP annex, and the existing detection equipment has low monitoring precision and high detection cost.
The traditional row plastic ampoule detection equipment cannot realize omnibearing detection, and as the bottom of the row plastic ampoule is contacted with the track when the traditional detection equipment detects, the appearance defects such as burrs at the bottom of the ampoule cannot be detected.
Disclosure of Invention
The invention aims to solve the problems and provide the automatic quality detector for the row plastic ampoule, which can realize the omnibearing and rapid detection of appearance quality, loading quantity, foreign matters and leakage of the row plastic ampoule, and has the advantages of high detection speed, high precision and stable and reliable operation.
In order to achieve the above purpose, the invention adopts the following technical scheme: an automatic quality detector for plastic ampoule in a row comprises a detection large disc, a bottle feeding shifting wheel and a bottle discharging shifting wheel at the side edges of the detection large disc; stirring grooves are uniformly formed in the edges of the bottle feeding stirring wheel and the bottle discharging stirring wheel in a ring shape; the bottle feeding thumb wheel and the bottle discharging thumb wheel are both tangentially connected with the feeding conveyer belt; the output end of the bottle discharging thumb wheel is tangentially connected with a waste conveying belt; a waste rejecting mechanism is arranged between the material passing conveyor belt and the waste conveying belt; the edges of the detection large discs are annularly distributed and provided with grippers for gripping the linked plastic ampoules; the gripper is provided with a turnover mechanism for controlling the gripper to turn over and a rotating mechanism for controlling the gripper to rotate; a visual detection station for detecting appearance and liquid level and a leakage detection station for detecting leakage are arranged around the detection large disc; the visual detection station comprises a light source and a camera which are oppositely arranged at two sides of the gripper; the leak detection station comprises oppositely arranged positive and negative electrodes; and a separation mechanism is arranged at the input end of the bottle feeding thumb wheel on the material passing conveyor belt.
Further, the grip includes a clamping shaft vertically disposed within the grip body; the bottom end of the clamping shaft is provided with a lifting frame, and two ends of the lifting frame are hinged with clamping plates; the lower end of the clamping plate is hinged with a clamping block; and a hinge rod is hinged between the clamping plate and the lower end of the gripper body.
Further, the rotating mechanism comprises a clamping support rod arranged on a clamping shaft, a bearing is arranged at the end head of the clamping support rod, a first clamping spring is arranged on the clamping shaft, the lower end of the clamping shaft is connected in a rotating sleeve through a spline, a large gear is arranged on the rotating sleeve, a quick screw rod and a sliding shaft which are parallel to the clamping shaft are arranged in a handle body, a screw nut and a second clamping spring are arranged on the quick screw rod, the screw nut is connected with a sliding rod on the sliding shaft, a bearing is arranged at the end head of the sliding rod, and a small gear is arranged at the lower end of the quick screw rod and meshed with the large gear; the outer side edge of the detection large disc is provided with a loosening cam which is in matched contact with the bearing on the clamping support rod; and a rotating cam in matched contact with a bearing on the sliding rod is arranged on the side edge of the lower end of the detection large disc.
Further, the turnover mechanism comprises a turnover shaft arranged on the side edge of the gripper body, and the turnover shaft is connected with a turnover cylinder.
Further, the edges of the bottle feeding thumb wheel and the bottle discharging thumb wheel are provided with arc-shaped gear plates.
Further, the separation mechanism is two gear cylinders which are arranged on the side edge of the passing conveyer belt side by side.
Further, the leak detection stations comprise a first leak detection station and a second leak detection station which are arranged around the detection large disc and used for detecting the front face of the tandem plastic ampoule, and a third leak detection station and a fourth leak detection station which are used for detecting the back face of the tandem plastic ampoule; the positive and negative electrodes comprise a high-voltage negative electrode and a high-voltage positive electrode which are arranged in an up-down symmetrical mode.
Further, the visual detection station comprises a first visual detection station arranged above the bottle feeding thumb wheel and used for detecting the upper ends of the row plastic ampoules and a second visual detection station arranged around the detection large disc and used for detecting the lower ends of the row plastic ampoules.
The invention has the beneficial effects that:
1. the invention adopts the mode of matching the detection large disc, the bottle feeding thumb wheel and the bottle discharging thumb wheel to match with the specially designed mechanical hand, the vision detection station and the leak detection station, realizes continuous and rapid omnibearing detection on appearance quality, liquid level, internal foreign matters and leakage of batch plastic ampoules, has no dead angle in detection, and automatically separates qualified products and waste products, and has the advantages of high detection precision, comprehensive detection, good running stability and low cost.
2. The appearance, the liquid level, the foreign matters and the leakage of the row plastic ampoules are integrated on one device for detection, so that the occupied area and the cost are reduced.
3. The omnibearing detection of appearance quality, liquid level and foreign matters is realized by matching the multidirectional camera with the light source, and the detection precision is high.
4. The leakage detection of the tandem plastic ampoules is realized through the positive and negative high-voltage electrodes, the detection speed is high, and the precision is high.
5. The hand grip can realize overturning and rotation, and completely adopts a mechanical structure to realize rotation and grabbing, and does not need to be additionally provided with power supply control, thereby greatly reducing the running cost and improving the running stability. When the plastic ampoule is in leakage detection, the surface to be detected is fully and fully contacted with the liquid medicine, so that the accuracy and repeatability of leakage detection are improved.
6. According to the invention, the mechanical control structure of automatic descending grabbing and ascending loosening is adopted by the gripper, so that the operation reliability and stability of the whole detection system are improved.
Drawings
FIG. 1 is a schematic front view of an automatic quality inspection machine for inline plastic ampoules;
FIG. 2 is a schematic diagram of the overall top view structure of an automatic quality detector for inline plastic ampoules;
FIG. 3 is a schematic view of a structure of a portion of a plastic ampoule in a row detected at a bottle-feeding thumb wheel;
FIG. 4 is a schematic view of the structure of the gripper;
FIG. 5 is a schematic view of the mounting structure of the reversing cylinder on the gripper;
FIG. 6 is a schematic view of a detection tandem plastic ampoule with the grippers in an upright position;
fig. 7 is a schematic view of the detection tandem plastic ampoules with the grippers in a horizontal state.
In the figure: 1. a material passing conveyer belt; 2. a partition mechanism; 3. a bottle feeding thumb wheel; 4. a camera; 5. a light source; 6. a bottle discharging thumb wheel; 7. a waste rejecting mechanism; 8. a waste conveyor belt; 9. a first vision inspection station; 10. a second vision inspection station; 11. a first leak detection station; 12. a second leak detection station; 13. detecting a large disc; 14. a third leak detection station; 15. a fourth leak detection station; 16. a grip; 17. releasing the cam; 18. rotating the cam; 19. an arc-shaped gear plate; 21. a track; 23. a plastic ampoule is arranged in a row; 24. toggle the groove; 25. a gear cylinder; 41. a high voltage negative electrode; 42. a high voltage positive electrode; 51. a grip body; 52. a first clamping spring; 53. clamping the supporting rod; 54. a large gear; 55. a clamping shaft; 56. a pinion gear; 57. a turnover shaft; 58. a nut; 59. a quick screw rod; 60. a turnover cylinder; 61. a second clamping spring; 62. a lifting frame; 63. a clamping plate; 64. a clamping block; 65. a hinge rod; 66. a rotating sleeve; 67. a slide bar; 68. a sliding shaft.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
As shown in fig. 1 to 7, the specific structure of the present invention is: an automatic quality detector for plastic ampoule in a row comprises a detection large disc 13, a bottle feeding thumb wheel 3 and a bottle discharging thumb wheel 6 at the side edges of the detection large disc; the edges of the bottle feeding thumb wheel 3 and the bottle discharging thumb wheel 6 are uniformly provided with poking grooves 24 in a ring shape; the bottle feeding thumb wheel 3 and the bottle discharging thumb wheel 6 are tangentially connected with the feeding conveyer belt 1; the output end of the bottle discharging thumb wheel 6 is tangentially connected with a waste conveying belt 8; a waste rejecting mechanism 7 is arranged between the material passing conveyor belt 1 and the waste conveying belt 8; the edges of the large detection discs 13 are annularly distributed and provided with grippers 16 for gripping the tandem plastic ampoules 23; the gripper 16 is provided with a turnover mechanism for controlling the gripper 16 to turn over and a rotating mechanism for controlling the gripper 16 to rotate; a visual detection station for detecting appearance and liquid level and a leakage detection station for detecting leakage are arranged around the detection large disc 13; the visual detection station comprises a light source 5 and a camera 4 which are oppositely arranged at two sides of the gripper 16; the leak detection station comprises oppositely arranged positive and negative electrodes; the separating mechanism 2 is arranged at the input end of the bottle feeding thumb wheel 3 on the material passing conveyer belt 1.
Preferably, the gripper 16 includes a clamping shaft 55 vertically disposed within the gripper body 51; the bottom end of the clamping shaft 55 is provided with a lifting frame 62, and two ends of the lifting frame 62 are hinged with clamping plates 63; the lower end of the clamping plate 63 is hinged with a clamping block 64; a hinge rod 65 is hinged between the clamping plate 63 and the lower end of the gripper body 51.
Preferably, the rotating mechanism comprises a clamping support rod 53 arranged on a clamping shaft 55, a bearing is arranged at the end head of the clamping support rod 53, a first clamping spring 52 is arranged on the clamping shaft 55, the lower end of the clamping shaft 55 is connected in a rotating sleeve 66 through a spline, a large gear 54 is arranged on the rotating sleeve 66, a quick screw rod 59 and a sliding shaft 68 which are parallel to the clamping shaft 55 are arranged in a gripper body 51, a screw nut 58 and a second clamping spring 61 are arranged on the quick screw rod 59, the screw nut 58 is connected with a sliding rod 67 on the sliding shaft 68, a bearing is arranged at the end head of the sliding rod 67, and a small gear 56 is arranged at the lower end of the quick screw rod 59 and meshed with the large gear 54; the outer side edge of the detection large disc 13 is provided with a loosening cam 17 which is in matched contact with a bearing on the clamping support rod 53; the side edge of the lower end of the large detection disc 13 is provided with a rotary cam 18 which is in matched contact with a bearing on the sliding rod 67.
Preferably, the turnover mechanism comprises a turnover shaft 57 arranged at the side edge of the gripper body 51, and the turnover shaft 57 is connected with a turnover cylinder 60.
Preferably, the edges of the bottle feeding thumb wheel 3 and the bottle discharging thumb wheel 6 are provided with arc-shaped baffle plates 19.
Preferably, the separation mechanism 2 is two gear cylinders 25 arranged on the side edge of the passing conveyer belt 1 side by side.
Preferably, the leak detection stations comprise a first leak detection station 11 and a second leak detection station 12 which are arranged around the detection large disc 13 and used for detecting the front surface of the inline plastic ampoule 23, and a third leak detection station 14 and a fourth leak detection station 15 which are used for detecting the back surface of the inline plastic ampoule 23; the positive and negative electrodes include a high-voltage negative electrode 41 and a high-voltage positive electrode 42 which are arranged symmetrically up and down.
Preferably, the visual detection stations comprise a first visual detection station 9 arranged above the bottle feeding thumb wheel 3 and used for detecting the upper ends of the inline plastic ampoules 23 and a second visual detection station 10 arranged around the detection large disc 13 and used for detecting the lower ends of the inline plastic ampoules 23.
The operation principle process of the invention is as follows:
the plastic ampoules which are vertically arranged on the conveying mesh belt and have unequal intervals are matched with the separating mechanism and the bottle feeding thumb wheel to enter the grooves which are arranged at equal intervals on the bottle feeding thumb wheel; in the bottle feeding thumb wheel, one or more cameras are used for detecting the appearance quality of the part of the plastic ampoule arranged in parallel, which is not shielded by the barrier and the thumb wheel, and the detecting part can also be placed on the bottle discharging thumb wheel for detection.
At bottle feeding thumb wheel and detection big tray juncture, grasp the plastic ampoule upper portion of alliing oneself with the row through the tongs, make it get into the detection big tray to follow and detect big tray rotation, detect burr and the liquid level of alliing oneself with row plastic ampoule bottle body through the camera this moment. And can detect foreign matters according to the requirement.
After the detection is finished, the grippers turn the plastic row ampoule from the vertical state to the horizontal state by 90 degrees through the 90-degree swing cylinder; detecting whether leakage exists on the container wall on the lower surface of the tandem plastic ampoule through a leakage detection station; then the center of the gripper rotates 180 degrees through a screw rod and screw nut structure; the plastic ampoule row is turned 180 degrees in a horizontal state, the bottle wall on the original lower surface is arranged on the upper surface, the plastic ampoule row passes through two leak detection stations, and whether leakage exists on the upper surface is detected.
After the detection is finished, the 90-degree swing cylinder returns, the row plastic ampoule is changed into an upright state from a horizontal state, and then the plastic ampoule enters the bottle outlet thumb wheel from the detection large disc. Under the cooperation of the bottle-discharging shifting wheel and the waste-kicking mechanism, unqualified products are picked into a waste channel, and the unqualified products enter a conveying channel to be conveyed to a subsequent station.
The detailed process is as follows:
as shown in fig. 3, after the cutting of the plastic ampoule 23 in the row produced by the blowing and filling integrated machine is completed, the ampoule 23 in the row vertically falls onto the conveying mesh belt 1, the conveying mesh belt 1 conveys the ampoule to the separating mechanism 2, the separating mechanism 2 separates the ampoule 23 in the row into a groove of the bottle feeding thumb wheel 3, and the ampoule 23 is vertically arranged on the track 21 under the support of the arc-shaped baffle 19 and the bottle feeding thumb wheel 3 and cannot turn over; at this time, the appearance quality and the liquid level of the upper end of the part of the row of plastic ampoules 23 which is not shielded by the bottle feeding thumb wheel 3 and the arc-shaped gear plate 19 are detected by the cooperation of the camera 4 and the light source 5 which are arranged on the first visual detection station 9 above the bottle feeding thumb wheel 3.
As shown in fig. 6, at the joint of the bottle feeding thumb wheel 3 and the large detection disc 13, a gripper 16 arranged on the large detection disc 13 grips the upper tail area of the row of plastic ampoule 23 which is already detected; after the gripper 16 grips the row plastic ampoule 23, the gripper rotates along with the detection large disc 13; the camera 4 and the light source 5 arranged on the second visual detection station 10 for detecting the edge of the large disc 13 detect the appearance quality and the liquid level of the lower end of the area of the row plastic ampoule 23 which is not shielded by the grip 16, and can detect malignant foreign matters in the row plastic ampoule 23 according to the requirement.
As shown in fig. 7, the hand grip 16 is then turned by 90 ° about the turning shaft 57 by the turning cylinder 60 to place the upright inline plastic ampoule 23 in a horizontal state, and the leakage of the bottle wall on the lower surface of the inline plastic ampoule 23 is detected by the high-voltage negative electrode 41 and the high-voltage positive electrode 42 on the first leak detection station 11 and the second leak detection station 12.
Then, when the gripper 31 passes through the rotary cam 18, the rotary cam 18 pushes the screw nut 58 through a bearing, the screw nut 58 drives the quick screw rod 59 to rotate, a pinion arranged on the quick screw rod drives a large gear to rotate, and the large gear is fixed on the rotating hand, so that the gripper is driven to turn 180 degrees around a clamping shaft, the bottle walls on the upper surface and the lower surface are exchanged, and whether leakage exists on the other surface of the tandem plastic ampoule 23 is detected through positive and negative electrodes on the third leak detection station 14 and the fourth leak detection station 15; thereby detecting whether the leakage exists in the whole bottle wall of the row of plastic ampoules 23 in an omnibearing manner. The overturning cylinder returns to the original position, so that the row of plastic ampoules 23 return to the vertical state.
After the whole detection project is completed, at the joint of the detection large disc 13 and the bottle discharging thumb wheel 6, the arc surface of the loosening cam 17 is contacted with a bearing on the loosening supporting rod 53, the loosening supporting rod 53 is lifted, the gripper 31 is loosened, the plastic row ampoule 23 enters into a groove of the bottle discharging thumb wheel 6, finally, under the cooperation of the reject mechanism 7 and the bottle discharging thumb wheel 6, the waste enters into the waste conveying belt 8, and the qualified product enters into the passing conveying belt 1 to be conveyed to a subsequent station.
After the detection of the first leakage detecting station 11 and the second leakage detecting station 12 is finished, the gripper rotates the row plastic ampoule by 180 degrees, so that the upper surface and the lower surface are exchanged, the surface to be detected is in full contact with the liquid medicine, and the detection effect is improved; and then the contact surface of the parallel plastic ampoule and the liquid medicine is detected through a third leak detection station 13 and a fourth leak detection station 14.
Operation principle of waste removing mechanism: when the system detects the waste, the servo motor at the lower end of the waste rejecting mechanism rotates to drive the waste rejecting blocks on the waste rejecting mechanism to toggle, and the waste is guided onto the waste conveying belt 8.
The process of clamping the ampoule of the row plastic by the gripper is a composite motion, the gripper moves downwards while clamping, and the loosening process is the reverse process of the clamping process. Therefore, when the tongs are in a loosening state, the tongs are higher than the row plastic ampoule, and the tongs are prevented from interfering with the row plastic ampoule at the bottle feeding thumb wheel and the bottle discharging wave wheel.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (6)
1. The automatic quality detector for the plastic ampoules in the row is characterized by comprising a detection large disc (13) and a bottle feeding thumb wheel (3) and a bottle discharging thumb wheel (6) at the side edges of the detection large disc; the edges of the bottle feeding thumb wheel (3) and the bottle discharging thumb wheel (6) are uniformly provided with poking grooves (24) in a ring shape; the bottle feeding thumb wheel (3) and the bottle discharging thumb wheel (6) are tangentially connected with the material passing conveyer belt (1); the output end of the bottle discharging thumb wheel (6) is tangentially connected with a waste conveying belt (8); a waste rejecting mechanism (7) is arranged between the material passing conveyer belt (1) and the waste conveyer belt (8); grippers (16) for gripping the tandem plastic ampoules (23) are distributed on the edge of the detection large disc (13) in an annular shape; the gripper (16) is provided with a turnover mechanism for controlling the gripper (16) to turn over and a rotating mechanism for controlling the gripper (16) to rotate; a visual detection station for detecting appearance and liquid level and a leakage detection station for detecting leakage are arranged around the detection large disc (13); the visual detection station comprises a light source (5) and a camera (4) which are oppositely arranged at two sides of the gripper (16); the leak detection station comprises oppositely arranged positive and negative electrodes; a separation mechanism (2) is arranged at the input end of the bottle feeding thumb wheel (3) on the material passing conveyer belt (1);
the leak detection stations comprise a first leak detection station (11) and a second leak detection station (12) which are arranged around the detection large disc (13) and used for detecting the front face of the tandem plastic ampoule (23), and a third leak detection station (14) and a fourth leak detection station (15) which are used for detecting the back face of the tandem plastic ampoule (23); the positive and negative electrodes comprise a high-voltage negative electrode (41) and a high-voltage positive electrode (42) which are arranged symmetrically up and down;
the visual detection station comprises a first visual detection station (9) arranged above the bottle feeding thumb wheel (3) and used for detecting the upper ends of the linked plastic ampoules (23) and a second visual detection station (10) arranged around the detection large disc (13) and used for detecting the lower ends of the linked plastic ampoules (23).
2. An in-line plastic ampoule quality automatic detector according to claim 1, characterized in that the gripper (16) comprises a clamping shaft (55) arranged vertically in the gripper body (51); a lifting frame (62) is arranged at the bottom end of the clamping shaft (55), and clamping plates (63) are hinged at two ends of the lifting frame (62); the lower end of the clamping plate (63) is hinged with a clamping block (64); a hinge rod (65) is hinged between the clamping plate (63) and the lower end of the gripper body (51).
3. The automatic inline plastic ampoule quality detecting machine according to claim 2, characterized in that the rotating mechanism comprises a clamping support rod (53) arranged on a clamping shaft (55), a bearing is arranged at the end of the clamping support rod (53), a first clamping spring (52) is arranged on the clamping shaft (55), the lower end of the clamping shaft (55) is connected in a rotating sleeve (66) through a spline, a large gear (54) is arranged on the rotating sleeve (66), a quick screw rod (59) and a sliding shaft (68) which are parallel to the clamping shaft (55) are arranged in the gripper body (51), a screw nut (58) and a second clamping spring (61) are arranged on the quick screw rod (59), the screw nut (58) is connected with a sliding rod (67) on the sliding shaft (68), the end of the sliding rod (67) is provided with a bearing, and a small gear (56) is arranged at the lower end of the quick screw rod (59) and meshed with the large gear (54); the outer side edge of the detection large disc (13) is provided with a loosening cam (17) which is in matched contact with a bearing on the clamping support rod (53); the side edge of the lower end of the detection large disc (13) is provided with a rotary cam (18) which is in matched contact with a bearing on the sliding rod (67).
4. An automatic quality inspection machine for plastic ampoules in a row according to claim 2, characterized in that the turning mechanism comprises a turning shaft (57) arranged at the side of the gripper body (51), and the turning shaft (57) is connected with a turning cylinder (60).
5. An automatic quality inspection machine for plastic ampoules in line according to claim 1, characterized in that the separation mechanism (2) is two gear cylinders (25) arranged side by side on the side of the passing conveyor belt (1).
6. The automatic quality detector for the row plastic ampoules of claim 1, wherein the edges of the bottle feeding thumb wheel (3) and the bottle discharging thumb wheel (6) are provided with arc-shaped baffle plates (19).
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| CN201711170578.1A CN107764836B (en) | 2017-11-22 | 2017-11-22 | Automatic quality detector for plastic ampoule in row |
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| CN201711170578.1A CN107764836B (en) | 2017-11-22 | 2017-11-22 | Automatic quality detector for plastic ampoule in row |
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| CN107764836B true CN107764836B (en) | 2023-11-07 |
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